fix send back str type

9 years ago · 050270a725
1 changed files with 1 additions and 1 deletions
--- a/shadowsocks/tcprelay.py
+++ b/shadowsocks/tcprelay.py
@ -668,7 +668,7 @@ class TCPRelayHandler(object):
                    try:
                        data, sendback = self._protocol.server_post_decrypt(data)
                        if sendback:
-                            backdata = self._protocol.server_pre_encrypt('')
+                            backdata = self._protocol.server_pre_encrypt(b'')
                            backdata = self._encryptor.encrypt(backdata)
                            backdata = self._obfs.server_encode(backdata)
                            try: